Winnebago County, WI Duplexes for Sale

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Updated: Dec 23, 2025

Two-Unit Duplex with Garage

314 VIOLA Avenue, Oshkosh, WI 54901

$169,900

2,268 sqft 0.18 AC lot

Two residential units, each with 2 bedrooms and 1 full bathroom
Both units currently occupied
Upper unit leased month to month
Detached two‑car garage
2,268 square feet on a 0.18‑acre lot

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314 VIOLA Avenue, OSHKOSH, WI 54901

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Est. Cap Rate

9%
Above avg (5.9%)
Est. NOI

$15K
Annual
Price @ 7% Cap

$219K
Above asking
Property Type

Duplex
Built 1920

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Updated: Aug 7

Updated Duplex with Detached Garage

1213 GRAND Street, Oshkosh, WI 54901

$194,900

1,452 sqft 0.18 AC lot

Fully occupied duplex with two residential units
1,452 square feet on a 0.18‑acre lot
Detached 2‑car garage with on‑site parking
Remodeled main‑floor bathroom with additional updates
Zoned 2 Family/Duplex

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Duplex with Separate Utilities

622 GRAND Street, Oshkosh, WI 54901

$199,900

1,571 sqft 0.19 AC lot

Two-unit residential income property with independent utility metering and shared basement access for laundry hookups.

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Side-by-Side Duplex with Garage

1500 GREENDALE Street, Menasha, WI 54952

$299,000

1,584 sqft 0.26 AC lot

Two-unit property with a full basement, attached garage, and backyard space.

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Freshly Updated Duplex with Private Backyard

631 W 11TH Avenue, Oshkosh, WI 54902

$199,900

1,554 sqft

Freshly updated duplex with separate laundry hook-ups, two large private porches, and a private backyard backing to South Park.

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Updated Upper-Lower Duplex

685 FRANKLIN Street, Oshkosh, WI 54901

$289,900

3,490 sqft 0.17 AC lot

Residential duplex with refreshed interiors and a vacant lower unit for occupancy or tenant placement.

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Refreshed Duplex with Two-Car Garages

524 3RD Street, Menasha, WI 54952

$269,900

2,119 sqft 0.27 AC lot

Side-by-side residences provide separate layouts, laundry areas, and dedicated garage parking for each unit.

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Two-Unit Duplex with Detached Garage

843 W 9TH Avenue, Oshkosh, WI 54902

$174,900

2,112 sqft 0.17 AC lot

Each unit provides two bedrooms, a full bath, separate entry, and in-unit laundry.

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Updated Duplex With Vacant Unit

685 FRANKLIN Street, Oshkosh, WI 54901

$289,900

3,490 sqft

The lower residence is vacant, allowing a new owner to choose occupancy or tenancy.

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Side-by-Side Duplex

1331 BROAD Street, Oshkosh, WI 54901

$224,900

1,400 sqft 0.15 AC lot

Two single-level units feature updated flooring and functional layouts.

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Two-Unit Duplex with Garage

514 W IRVING Avenue, Oshkosh, WI 54901

$265,000

1,992 sqft 0.18 AC lot

Both residences are leased for the next two years and include hardwood flooring throughout.

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Updated Duplex with Detached Garage

1213 GRAND Street, Oshkosh, WI 54901

$194,900

1,452 sqft

Two-unit residential property with current occupancy, a spacious side yard, and separate garage parking.

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Two-Unit Duplex

918 MERRITT Avenue, Oshkosh, WI 54901

$160,000

1,336 sqft 0.15 AC lot

Occupied duplex with month-to-month tenancy and separate utility responsibility for residents.

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Two-Unit Upper Duplex

622 GRAND Street, Oshkosh, WI 54901

$199,900

1,571 sqft

Upper-level duplex with separate utilities, basement access, and laundry hookups for both residences.

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Updated Duplex Near Campus

505 W Irving Avenue, Oshkosh, WI 54901

$270,000

0.17 AC lot

Two-unit property with separate utilities, tenant parking, and a front porch near campus.

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Brick Mixed-Use Property

6 TAYCO Street, Menasha, WI 54952

$230,000

0.12 AC lot

C2-zoned property includes two upper-level rental units and a main-level commercial area requiring extensive renovation.

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Side-by-Side Duplex with Garage

1500 GREENDALE Street, Menasha, WI 54952

$299,000

1,584 sqft

Two-unit residential property with basement storage, updated interiors, a private side yard, and an attached garage.

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Ranch Duplex with Detached Garage

1021 EVANS Street, Neenah, WI 54956

$279,900

1,688 sqft

Fully rented duplex with separate basements, vinyl windows, and a detached garage serving both residences.

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Updated Duplex with Two Units

505 West Irving Avenue, Oshkosh, WI 54901

$270,000

2,775 sqft

Two separately metered units offer updated interiors, additional bedroom/bath space, and potential to finish the walk-up attic.

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Waterfront Ranch Duplex

604 Knight Ave, Neenah, WI 54956

$264,900

1,684 sqft

Fully rented 2-unit ranch duplex with 60 feet on the Neenah Slough and two-bedroom, one-bath units.

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Ranch Duplex with Detached Garages

1025 EVANS Street, Neenah, WI 54956

$289,900

1,688 sqft

Fully rented two-bedroom units feature private basements, vinyl windows, and month-to-month leases.

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Ranch Duplex with Detached Garages

1029 EVANS Street, Neenah, WI 54956

$279,900

1,688 sqft

Two residential units offer private basements, separate garages, and a current lease arrangement on one side.

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Duplex with In-Unit Laundry

843 W 9TH Avenue, Oshkosh, WI 54902

$174,900

2,112 sqft

Two residential units offer private entry, laundry within each unit, and separate lease arrangements.

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Rented Duplex With Two Garages

514 W Irving Ave, Oshkosh, WI 54901

$265,000

1,992 sqft

Two spacious 3-bedroom units in a duplex configuration, each currently rented, with a two-car garage.

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Winnebago County, WI Duplexes Market Trends and Statistics

Explore 52 duplexes for sale in Winnebago County, WI, showcased through 52 active listings on our real estate platform. These investment opportunities span a total of 91,816 square feet of properties for sale, with an estimated market value of $11,539,500.

Sale prices for duplexes in Winnebago County, WI start at $59,000, averaging $226,264, and reaching up to $549,900 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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